As President Trump signals his intention to withdraw the United States from the World Health Organization, what could the global health ramifications be? Also on the show, Meta moves from an independent fact-checking program to community notes: How will this affect health misinformation across the company’s platforms? A new rapid test that could help diagnose Crimean Congo Haemorrhagic fever brings hope to an oft neglected disease, and what would be the mental health effect of living in space long-term?Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins